CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2021-4234

OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not respond to, resulting in a limited amplification attack.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.003

EPSS Ranking 52.1%

CVSS Severity

CVSS v3 Score 7.5

CVSS v2 Score 5.0

References

Products affected by CVE-2021-4234

Openvpn » Openvpn Access Server » Version: N/A

cpe:2.3:a:openvpn:openvpn_access_server:-
Openvpn » Openvpn Access Server » Version: 1.5.6

cpe:2.3:a:openvpn:openvpn_access_server:1.5.6
Openvpn » Openvpn Access Server » Version: 1.8.5

cpe:2.3:a:openvpn:openvpn_access_server:1.8.5
Openvpn » Openvpn Access Server » Version: 2.0.0

cpe:2.3:a:openvpn:openvpn_access_server:2.0.0
Openvpn » Openvpn Access Server » Version: 2.0.1

cpe:2.3:a:openvpn:openvpn_access_server:2.0.1
Openvpn » Openvpn Access Server » Version: 2.0.10

cpe:2.3:a:openvpn:openvpn_access_server:2.0.10
Openvpn » Openvpn Access Server » Version: 2.0.11

cpe:2.3:a:openvpn:openvpn_access_server:2.0.11
Openvpn » Openvpn Access Server » Version: 2.0.12

cpe:2.3:a:openvpn:openvpn_access_server:2.0.12
Openvpn » Openvpn Access Server » Version: 2.0.17

cpe:2.3:a:openvpn:openvpn_access_server:2.0.17
Openvpn » Openvpn Access Server » Version: 2.0.2

cpe:2.3:a:openvpn:openvpn_access_server:2.0.2
Openvpn » Openvpn Access Server » Version: 2.0.20

cpe:2.3:a:openvpn:openvpn_access_server:2.0.20
Openvpn » Openvpn Access Server » Version: 2.0.21

cpe:2.3:a:openvpn:openvpn_access_server:2.0.21
Openvpn » Openvpn Access Server » Version: 2.0.24

cpe:2.3:a:openvpn:openvpn_access_server:2.0.24
Openvpn » Openvpn Access Server » Version: 2.0.25

cpe:2.3:a:openvpn:openvpn_access_server:2.0.25
Openvpn » Openvpn Access Server » Version: 2.0.26

cpe:2.3:a:openvpn:openvpn_access_server:2.0.26
Openvpn » Openvpn Access Server » Version: 2.0.3

cpe:2.3:a:openvpn:openvpn_access_server:2.0.3
Openvpn » Openvpn Access Server » Version: 2.0.5

cpe:2.3:a:openvpn:openvpn_access_server:2.0.5
Openvpn » Openvpn Access Server » Version: 2.0.6

cpe:2.3:a:openvpn:openvpn_access_server:2.0.6
Openvpn » Openvpn Access Server » Version: 2.0.7

cpe:2.3:a:openvpn:openvpn_access_server:2.0.7
Openvpn » Openvpn Access Server » Version: 2.0.8

cpe:2.3:a:openvpn:openvpn_access_server:2.0.8
Openvpn » Openvpn Access Server » Version: 2.1.0

cpe:2.3:a:openvpn:openvpn_access_server:2.1.0
Openvpn » Openvpn Access Server » Version: 2.1.1

cpe:2.3:a:openvpn:openvpn_access_server:2.1.1
Openvpn » Openvpn Access Server » Version: 2.1.12

cpe:2.3:a:openvpn:openvpn_access_server:2.1.12
Openvpn » Openvpn Access Server » Version: 2.1.2

cpe:2.3:a:openvpn:openvpn_access_server:2.1.2
Openvpn » Openvpn Access Server » Version: 2.1.4

cpe:2.3:a:openvpn:openvpn_access_server:2.1.4
Openvpn » Openvpn Access Server » Version: 2.1.6

cpe:2.3:a:openvpn:openvpn_access_server:2.1.6
Openvpn » Openvpn Access Server » Version: 2.1.8

cpe:2.3:a:openvpn:openvpn_access_server:2.1.8
Openvpn » Openvpn Access Server » Version: 2.1.9

cpe:2.3:a:openvpn:openvpn_access_server:2.1.9
Openvpn » Openvpn Access Server » Version: 2.10.0

cpe:2.3:a:openvpn:openvpn_access_server:2.10.0
Openvpn » Openvpn Access Server » Version: 2.10.1

cpe:2.3:a:openvpn:openvpn_access_server:2.10.1
Openvpn » Openvpn Access Server » Version: 2.10.2

cpe:2.3:a:openvpn:openvpn_access_server:2.10.2
Openvpn » Openvpn Access Server » Version: 2.10.3

cpe:2.3:a:openvpn:openvpn_access_server:2.10.3
Openvpn » Openvpn Access Server » Version: 2.5.0

cpe:2.3:a:openvpn:openvpn_access_server:2.5.0
Openvpn » Openvpn Access Server » Version: 2.5.2

cpe:2.3:a:openvpn:openvpn_access_server:2.5.2
Openvpn » Openvpn Access Server » Version: 2.6.1

cpe:2.3:a:openvpn:openvpn_access_server:2.6.1
Openvpn » Openvpn Access Server » Version: 2.7.3

cpe:2.3:a:openvpn:openvpn_access_server:2.7.3
Openvpn » Openvpn Access Server » Version: 2.7.4

cpe:2.3:a:openvpn:openvpn_access_server:2.7.4
Openvpn » Openvpn Access Server » Version: 2.7.5

cpe:2.3:a:openvpn:openvpn_access_server:2.7.5
Openvpn » Openvpn Access Server » Version: 2.8.0

cpe:2.3:a:openvpn:openvpn_access_server:2.8.0
Openvpn » Openvpn Access Server » Version: 2.8.1

cpe:2.3:a:openvpn:openvpn_access_server:2.8.1
Openvpn » Openvpn Access Server » Version: 2.8.2

cpe:2.3:a:openvpn:openvpn_access_server:2.8.2
Openvpn » Openvpn Access Server » Version: 2.8.3

cpe:2.3:a:openvpn:openvpn_access_server:2.8.3
Openvpn » Openvpn Access Server » Version: 2.8.4

cpe:2.3:a:openvpn:openvpn_access_server:2.8.4
Openvpn » Openvpn Access Server » Version: 2.8.5

cpe:2.3:a:openvpn:openvpn_access_server:2.8.5
Openvpn » Openvpn Access Server » Version: 2.8.6

cpe:2.3:a:openvpn:openvpn_access_server:2.8.6
Openvpn » Openvpn Access Server » Version: 2.8.7

cpe:2.3:a:openvpn:openvpn_access_server:2.8.7
Openvpn » Openvpn Access Server » Version: 2.8.8

cpe:2.3:a:openvpn:openvpn_access_server:2.8.8
Openvpn » Openvpn Access Server » Version: 2.9.0

cpe:2.3:a:openvpn:openvpn_access_server:2.9.0
Openvpn » Openvpn Access Server » Version: 2.9.1

cpe:2.3:a:openvpn:openvpn_access_server:2.9.1
Openvpn » Openvpn Access Server » Version: 2.9.2

cpe:2.3:a:openvpn:openvpn_access_server:2.9.2
Openvpn » Openvpn Access Server » Version: 2.9.3

cpe:2.3:a:openvpn:openvpn_access_server:2.9.3
Openvpn » Openvpn Access Server » Version: 2.9.4

cpe:2.3:a:openvpn:openvpn_access_server:2.9.4
Openvpn » Openvpn Access Server » Version: 2.9.5

cpe:2.3:a:openvpn:openvpn_access_server:2.9.5
Openvpn » Openvpn Access Server » Version: 2.9.6

cpe:2.3:a:openvpn:openvpn_access_server:2.9.6

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2021-4234

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